It’s been just over a month since the Nokia Lumia 520 and 720 went official at the MWC in Barcelona, where we had the opportunity to go hands-on with the phones. While neither is particularly high-end, at least they add a little more variety to Nokia’s Windows Phone 8 lineup while providing some new options for budget-conscious users. A variant of the 520, the Lumia 521, has been getting ready to launch on ...